Simplify $$4 ( x + 5 )$$ A) $5 x + 5$

question 20

Multiple Choice

Simplify: $$4 ( x + 5 )$$

• A) \(5 x + 5\)
• B) \(20 x + 20\)
• C) \(4 x + 5\)
• D) \(20 x + 9\)
• E) \(4 x + 20\)

---

Definitions:

Lead Poisoning

A medical condition caused by toxic levels of the metal lead in the blood, leading to serious health problems, especially in children.

Peeling Paint

The result of paint detaching from the underlying surface, often due to moisture, wear, or improper application, leading to exposure of the material beneath.

Environmental Mercury

Mercury in the environment that can come from natural and anthropogenic sources, posing risks to wildlife and humans.

Fluorescent Light Tubes

Light sources that operate by exciting mercury vapor, which in turn produces short-wave ultraviolet light that causes a phosphor coating on the inside of the tube to glow.